package com.bookcloud.java21.chapter3.顺序结构_默认的直行车道;

/** 3.1顺序结构 — 默认的“直行车道” */
public class Lesson31 {
  public static void main(String[] args) {
    int a = 10;
    int b = 20;
    int c = a + b;
    System.out.println(c);
    int age = 19;
    if (age >= 18) {
      System.out.println("成年人1");
      System.out.println("成年人2");
      System.out.println("成年人3");
    }
  }
}
